GNU Binutils 2.36 rust-demangle.c demangle_type stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in GNU Binutils 2.36. This affects the function demangle_type of the file rust-demangle.c. This manipulation causes stack-based overflow. This vulnerability is registered as CVE-2021-32256. No exploit is available.

Detailsinfo

A vulnerability was found in GNU Binutils 2.36 (Programming Tool Software). It has been declared as critical. Affected by this vulnerability is the function demangle_type of the file rust-demangle.c. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in GNU libiberty, as distributed in GNU Binutils 2.36. It is a stack-overflow issue in demangle_type in rust-demangle.c.

The weakness was published 07/18/2023. The advisory is shared at bugs.launchpad.net. This vulnerability is known as CVE-2021-32256 since 05/07/2021. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 302474 (EulerOS 2.0 SP12 : gdb (EulerOS-SA-2026-1358)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (302474). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 302474
Nessus Name: EulerOS 2.0 SP12 : gdb (EulerOS-SA-2026-1358)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/07/2021 🔍
07/18/2023 +802 days 🔍
07/18/2023 +0 days 🔍
03/16/2026 +972 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: bugs.launchpad.net
Status: Not defined

CVE: CVE-2021-32256 (🔍)
GCVE (CVE): GCVE-0-2021-32256
GCVE (VulDB): GCVE-100-234385

Entryinfo

Created: 07/18/2023 17:59
Updated: 03/16/2026 16:48
Changes: 07/18/2023 17:59 (40), 08/09/2023 09:22 (11), 03/16/2026 16:48 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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